cron 同步使用
yum apt 安装不解释
配置文件目录 可以写在 cron.d 里面
[root@wh15366 ~]# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
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For details see man 4 crontabs
Example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
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例子 每一分钟把文件写到 home/mydatetest
* * * * * root date >> /home/mydatetest
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log 文件
tail -f /var/log/cron
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